diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp
index f858db125a..e580cff508 100644
--- a/src/modules/navigator/navigator_main.cpp
+++ b/src/modules/navigator/navigator_main.cpp
@@ -710,7 +710,9 @@ Navigator::run()
 
 		/* iterate through navigation modes and set active/inactive for each */
 		for (unsigned int i = 0; i < NAVIGATOR_MODE_ARRAY_SIZE; i++) {
-			_navigation_mode_array[i]->run(_navigation_mode == _navigation_mode_array[i]);
+			if (_navigation_mode_array[i]) {
+				_navigation_mode_array[i]->run(_navigation_mode == _navigation_mode_array[i]);
+			}
 		}
 
 		/* if nothing is running, set position setpoint triplet invalid once */